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If the population ever exceeds its carrying capacity, then growth will be negative until the population shrinks back to carrying capacity or lower. Some disadvantages of having uncontrolled are the rapid urbanization associated with the population explosion and industrialization has created an imbalance in the ecology of the Southeast Region.
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The scientific term for a living thing is a(n) <u>organism</u>.
All living things are <u>made up of one or more cells</u>.
The simplest level at which life exists is <u>cell</u>.
Example of a multi-cellular organism is <u>human beings</u>.
Example of a unicellular organism is <u>bacteria like E. coli</u>.
<u>Cell membrane</u> surrounds a cell and separates it from its environment.
All cells perform various jobs or <u>functions</u>.
No, all cells are not alike but these cells share some basic similarities. For example: Neuron is very different from that of epithelial cell but they both have nucleus and other membrane bound organelles.
Differences between unicellular and multi-cellular organisms are as under:
1) Unicellular organisms are simpler than multi-cellular organisms. Multi-cellular organisms are complex.
2) In unicellular organisms a single cell performs all the functions required to sustain a life while in multi-cellular organisms a group of one type of cells perform only one function and other function is performed by another group of cells. These group of cells meant for a specialized function is known as tissue. Various tissues in combination form an organ. Various organs collectively form an organ system. These various grades of organization and specialized organs perform various functions and the co-ordinated work of all the organ systems sustain the life of a multi-cellular organism.
3) Unicellular organisms are less efficient than multi-cellular organisms.
4) Unicellular organisms may be prokaryotic or eukaryotic but multi-cellular organisms are always eukaryotic.
The duplication of homeotic ( H o x ) genes has been significant in the evolution of animals because it <u>permitted </u><u>the </u><u>evolution </u><u>of novel forms</u>
<h3>What is the Hox genes and evolution?</h3>
Hox proteins are a family of transcription factors that have undergone extensive conservation. They were first identified in Drosophila for their crucial functions in regulating segmental identity along the antero-posterior (AP) axis.
The regionalization of the AP axis and changes in the expression patterns of these genes have been strongly correlated during the past 30 years across a wide range of evolutionarily distinct species, indicating that Hox genes have been essential in the evolution of new body plans within Bilateria.
Despite this extensive functional conservation and the significance of these genes for AP patterning, many important concerns about Hox biology remain.
To learn more about HOX gene from given link
brainly.com/question/22998796
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Coral bleaching causes and consequences
Warmer water temperatures can result in coral bleaching. When water is too warm, corals will expel the algae (zooxanthellae) living in their tissues causing the coral to turn completely white. ... Corals can survive a bleaching event, but they are under more stress and are subject to mortality.
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The answer is in the bolded words above : )
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They can have children together. If they are married or in a relationship they can do anything they want together including the want of children.
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